Yamaha YZ250FX (2026) Key Specifications Engine Type Liquid-cooled DOHC 4-stroke; 4 titanium valves Engine Capacity 250 cc / 15.2 cubic inches Max Power n/a Max Torque n/a Top Speed n/a Fuel Tank Capacity 8 L / 2.1 US gallons Weight (Wet/Kerb) 110.2 kg / 243 lbs Seat Height 955 mm / 37.6 inches
*n/a – information not provided by manufacturer
All Specifications Make & Model Model Yamaha YZ250FX Year 2026
Engine Engine Type Liquid-cooled DOHC 4-stroke; 4 titanium valves Displacement 250 cc / 15.2 cubic inches Bore x Stroke 77 x 53.6 mm Compression Ratio 13.8 : 1 Number of Cylinders 1 Max Horsepower n/a Max Torque n/a Valve Train DOHC Valves per Cylinder 4 Engine Management System Mikuni® fuel injection, 44mm Cooling System Air Cooled Ignition System TCI
Performance *n/a – information not provided by manufacturer
Transmission Clutch Wet multiplate clutch Gearbox Constant-mesh 6-speed Final Drive Chain Traction Control System Yes. 4 Levels
Electrical & Electronics System Connectivity Power Tuner App Traction Control System Yes. 4 Levels Launch Control Yes
Chassis & Suspension Frame Type Aluminum bilateral beam frame Front Suspension KYB® Speed-Sensitive System inverted fork; fully adjustable Front Suspension Travel 300 mm / 11.8 inches Rear Suspension KYB® single shock; fully adjustable Rear Suspension Travel 305 mm / 12 inches Rake 27 ° Trail 122 mm / 4.8 inches
Wheels & Brakes Wheels Wire aluminum wheels Front Tire Size 80/100-21 Dunlop® Geomax MX33F Rear Tire Size 110/100-18 Dunlop® Geomax MX33 Front Brakes Hydraulic disc, 270mm Rear Brakes Hydraulic disc, 240mm
Dimension & Weights Overall Length 2170 mm / 85.4 inches Overall Width 825 mm / 32.5 inches Overall Height 1265 mm / 49.8 inches Seat Height 955 mm / 37.6 inches Wheelbase 1471 mm / 57.9 inches Ground Clearance 330.2 mm / 13 inches Fuel Tank Capacity 8 L / 2.1 US gallons Wet (kerb/curb) Weight 110.2 kg / 243 lbs
Features A forged piston features a bridge-box design for maximized strength with minimal weight. A compact, centrally-mounted electric starter system simplifies starting and minimizes restart delays for added convenience. The YZ250FX features a large-diameter 15-plate clutch to withstand the extreme demands of cross country racing. A six-speed transmission ensures the right gear is available for the wide variety of terrain found in cross country racing. Handlebar-mounted switchbox allows on-the-fly selection between two preloaded engine maps with the push of a button. New for 2026, an industry-first ECU lock function helps prevent theft and unauthorized engine start-up. An updated Launch Control System controlled through the Power Tuner App optimizes launches when the gate drops. Four-level Traction Control selectable within the Yamaha Power Tuner App maintains ideal rear wheel traction. A “Simple Tuning” slide bar simplifies engine mapping within the Power Tuner App. An innovative exhaust pipe design improves mass centralization and power characteristics. A more efficient intake path and revised ECU settings result in better top-end performance and improved over-rev character. The adjustable fuel injection system uses a 44mm throttle body to ensure optimum fuel atomization and air/fuel calibration. A redesigned cam chain improves durability. Intake ports, cam profiles, high-strength connecting rod and optimized crank combine to produce potent high-rpm power. The piston, rings and DLC-coated piston pin, along with the offset cylinder configuration, all reduce friction loss. The YZ250FX’s 250cc four-stroke engine is renowned for broad, useable power and class-leading low-end and mid-range torque. Yamaha’s industry-leading Power Tuner App allows owners to tune air/fuel mixture and ignition timing to suit their preference. A linkage-type rear suspension with KYB® shock is tuned to provide less pitch and improved stability. Premium Dunlop® Geomax MX33 tires maximize traction while delivering excellent durability. Strong, lightweight wheels reduce unsprung weight without sacrificing durability. Wide 55mm foot pegs provide additional control and comfort. Tapered aluminum handlebars are secured to four-position adjustable handlebar mounts. The rider triangle is improved with increased legroom between the seat and foot pegs for greater rider comfort. The YZ250FX’s aggressive body design is slim, flat and eases rider movement for improved control. Large 270mm front and 240mm rear discs combine with Nissin calipers to provide exceptional stopping power and control. KYB® fork includes a hand-adjustable knob for easy compression adjustments. Fully adjustable Speed Sensitive KYB® fork delivers exceptional balance between handling and bump absorption. A redesigned aluminum bilateral beam frame is tuned to provide the perfect balance of stability and cornering performance. Sleek air cleaner cover provides tool-free access to the air filter for simplified servicing. Premium competition-inspired graphics are embedded to provide excellent durability and scratch resistance. Built for enduro with a 2.1-gallon fuel tank, rugged plastic skid plate, 18-inch rear wheel and sealed drive chain. Yamaha YZ250FX (2026) Color Options Know someone who’d find this useful? Share this page with a friend, your riding club or your favourite motorcycle community.
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